TY  - RPRT
TI  - A field method for the determination of titanium in rocks
AU  - Leonard Shapiro
AU  - Walter Wallace Brannock
PY  - 1953
DO  - 10.2113/gsecongeo.48.4.282
UR  - https://pubs.usgs.gov/publication/70212974
ID  - 70212974
ER  -